114÷（1+13+34），
=114÷2512，
=114×1225，
=54.72；
答：乙数是54.72．
Young people who have got jobs may realize university lessons can’t be the only
preparation for all of the situations____appear in the working world.
A．where
B．when
C．that
D．what
正常人胸部不会出现的叩诊音是（）。
A.清音
B.浊音
C.鼓音
D.实音
E.过清音
